package com.itzh.netty.simple;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;

import java.nio.ByteBuffer;
import java.util.concurrent.TimeUnit;

public class NettyServerHandler extends ChannelInboundHandlerAdapter {

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {

        ctx.channel().eventLoop().execute(new Runnable() {
            @Override
            public void run() {
                try {
                    Thread.sleep(1000*10);
                    ctx.writeAndFlush(Unpooled.copiedBuffer("hello,客户端2~",CharsetUtil.UTF_8));
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        });
        ctx.channel().eventLoop().schedule(new Runnable() {
            @Override
            public void run() {
                try {
                    Thread.sleep(1000*5);
                    ctx.writeAndFlush(Unpooled.copiedBuffer("hello,客户端3~",CharsetUtil.UTF_8));
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        },5, TimeUnit.SECONDS);
        System.out.println("go on ....");


        //        System.out.println("server ctx = "+ctx);
//        //ByteBuf 是 Netty提供的
//        ByteBuf buf = (ByteBuf) msg;
//        System.out.println("客户端发送消息是："+buf.toString(CharsetUtil.UTF_8));
//        System.out.println("客户端地址："+ctx.channel().remoteAddress());
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        ctx.writeAndFlush(Unpooled.copiedBuffer("hello,客户端~1",CharsetUtil.UTF_8));
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        ctx.close();
    }
}
